The winners of the 2020 Ditmar Awards for Australian SF were announced in an online ceremony on September 18, 2020:
Best Novel
- WINNER: The Year of the Fruit Cake, Gillian Polack (IFWG)
- Claiming T-Mo, Eugen Bacon (Meerkat)
Best Short Fiction
- WINNER: “Whom My Soul Loves”, Rivqa Rafael (Strange Horizons 11/11/19)
- Into Bones Like Oil, Kaaron Warren (Meerkat Shorts)
Best Collected Work
- WINNER: Collision, J.S. Breukelaar (Meerkat)
Best Fan Publication in Any Medium (tie)
- WINNER: Be the Serpent
- WINNER: SF Commentary
Best Fan Writer
- WINNER: Elizabeth Fitzgerald for reviews in Skiffy and Fanty
- Bruce Gillespie for writing in SF Commentary and ANZAPA articles
Best New Talent
- WINNER: Freya Marske
William Atheling, Jr. Award for Criticism or Review
- WINNER: FictionMachine reviews, Grant Watson
- Writing Speculative Fiction, Eugen Bacon (Red Globe)
There were insufficient nominations for the Best Artwork and Best Fan Artist categories.